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Some weeks ago one of my customers first WAN IP (used for mail-out) was listed in a spam blacklist. SMTP internet-traffic was only allowed for the mailservers and there was no deny-packet for tcp 25 in the network logs. So I thought a bot used an Outlook client for spaming but I was wrong. Spamhaus.org … Read moreFinding Zeus Bot (Zbot) with Sophos UTM

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You can group WAN interfaces and configure multipathing just for this group. For example: You have three internet interfaces. One dedicated line for mail and vpn and two low-cost DSL interfaces for webtraffic: on eth6 and eth7 I attached a ADSL modem. Now we will configure multipathing for webtraffic balanced to the new group … Read moreMultipathing with three Interfaces

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I want to thank all visitors of my blog! This blog was viewed about 26,000 times in 2013 (nearly 31,000 since blog-start). If it were a concert at Sydney Opera House, it would take about 10 sold-out performances for that many people to see it. In the past I could help so many people (even … Read moreThank you all!

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Three days ago I tried to download The Elder Scrolls Online Beta with the launcher but it hangs at every start. I looked at the web protection live log and saw some urls targeting to archive-files. So i filtered the following URLs for skipping “Caching / Block by download size / Antivirus / Extension blocking … Read moreThe Elder Scrolls Online and Sophos UTM